(function($) {
	var supportedCSS,styles=document.getElementsByTagName("head")[0].style,toCheck="transformProperty WebkitTransform OTransform msTransform MozTransform".split(" ");
	for (var a=0;a<toCheck.length;a++) if (styles[toCheck[a]] !== undefined) supportedCSS = toCheck[a];
// Bad eval to preven google closure to remove it from code o_O
// After compresion replace it back to var IE = 'v' == '\v'
	var IE = eval('"v"=="\v"');

	jQuery.fn.extend({
		rotate:function(parameters)
		{
			if (this.length===0||typeof parameters=="undefined") return;
			if (typeof parameters=="number") parameters={angle:parameters};
			var returned=[];
			for (var i=0,i0=this.length;i<i0;i++)
			{
				var element=this.get(i);
				if (!element.Wilq32 || !element.Wilq32.PhotoEffect) {

					var paramClone = $.extend(true, {}, parameters);
					var newRotObject = new Wilq32.PhotoEffect(element,paramClone)._rootObj;

					returned.push($(newRotObject));
				}
				else {
					element.Wilq32.PhotoEffect._handleRotation(parameters);
				}
			}
			return returned;
		},
		getRotateAngle: function(){
			var ret = [];
			for (var i=0,i0=this.length;i<i0;i++)
			{
				var element=this.get(i);
				if (element.Wilq32 && element.Wilq32.PhotoEffect) {
					ret[i] = element.Wilq32.PhotoEffect._angle;
				}
			}
			return ret;
		},
		stopRotate: function(){
			for (var i=0,i0=this.length;i<i0;i++)
			{
				var element=this.get(i);
				if (element.Wilq32 && element.Wilq32.PhotoEffect) {
					clearTimeout(element.Wilq32.PhotoEffect._timer);
				}
			}
		}
	});

// Library agnostic interface

	Wilq32=window.Wilq32||{};
	Wilq32.PhotoEffect=(function(){

		if (supportedCSS) {
			return function(img,parameters){
				img.Wilq32 = {
					PhotoEffect: this
				};

				this._img = this._rootObj = this._eventObj = img;
				this._handleRotation(parameters);
			}
		} else {
			return function(img,parameters) {
				// Make sure that class and id are also copied - just in case you would like to refeer to an newly created object
				this._img = img;

				this._rootObj=document.createElement('span');
				this._rootObj.style.display="inline-block";
				this._rootObj.Wilq32 =
				{
					PhotoEffect: this
				};
				img.parentNode.insertBefore(this._rootObj,img);

				if (img.complete) {
					this._Loader(parameters);
				} else {
					var self=this;
					// TODO: Remove jQuery dependency
					jQuery(this._img).bind("load", function()
					{
						self._Loader(parameters);
					});
				}
			}
		}
	})();

	Wilq32.PhotoEffect.prototype={
		_setupParameters : function (parameters){
			this._parameters = this._parameters || {};
			if (typeof this._angle !== "number") this._angle = 0 ;
			if (typeof parameters.angle==="number") this._angle = parameters.angle;
			this._parameters.animateTo = (typeof parameters.animateTo==="number") ? (parameters.animateTo) : (this._angle);

			this._parameters.step = parameters.step || this._parameters.step || null;
			this._parameters.easing = parameters.easing || this._parameters.easing || function (x, t, b, c, d) { return -c * ((t=t/d-1)*t*t*t - 1) + b; }
			this._parameters.duration = parameters.duration || this._parameters.duration || 1000;
			this._parameters.callback = parameters.callback || this._parameters.callback || function(){};
			if (parameters.bind && parameters.bind != this._parameters.bind) this._BindEvents(parameters.bind);
		},
		_handleRotation : function(parameters){
			this._setupParameters(parameters);
			if (this._angle==this._parameters.animateTo) {
				this._rotate(this._angle);
			}
			else {
				this._animateStart();
			}
		},

		_BindEvents:function(events){
			if (events && this._eventObj)
			{
				// Unbinding previous Events
				if (this._parameters.bind){
					var oldEvents = this._parameters.bind;
					for (var a in oldEvents) if (oldEvents.hasOwnProperty(a))
					// TODO: Remove jQuery dependency
						jQuery(this._eventObj).unbind(a,oldEvents[a]);
				}

				this._parameters.bind = events;
				for (var a in events) if (events.hasOwnProperty(a))
				// TODO: Remove jQuery dependency
					jQuery(this._eventObj).bind(a,events[a]);
			}
		},

		_Loader:(function()
		{
			if (IE)
				return function(parameters)
				{
					var width=this._img.width;
					var height=this._img.height;
					this._img.parentNode.removeChild(this._img);

					this._vimage = this.createVMLNode('image');
					this._vimage.src=this._img.src;
					this._vimage.style.height=height+"px";
					this._vimage.style.width=width+"px";
					this._vimage.style.position="absolute"; // FIXES IE PROBLEM - its only rendered if its on absolute position!
					this._vimage.style.top = "0px";
					this._vimage.style.left = "0px";

					/* Group minifying a small 1px precision problem when rotating object */
					this._container =  this.createVMLNode('group');
					this._container.style.width=width;
					this._container.style.height=height;
					this._container.style.position="absolute";
					this._container.setAttribute('coordsize',width-1+','+(height-1)); // This -1, -1 trying to fix ugly problem with small displacement on IE
					this._container.appendChild(this._vimage);

					this._rootObj.appendChild(this._container);
					this._rootObj.style.position="relative"; // FIXES IE PROBLEM
					this._rootObj.style.width=width+"px";
					this._rootObj.style.height=height+"px";
					this._rootObj.setAttribute('id',this._img.getAttribute('id'));
					this._rootObj.className=this._img.className;
					this._eventObj = this._rootObj;
					this._handleRotation(parameters);
				}
			else
				return function (parameters)
				{
					this._rootObj.setAttribute('id',this._img.getAttribute('id'));
					this._rootObj.className=this._img.className;

					this._width=this._img.width;
					this._height=this._img.height;
					this._widthHalf=this._width/2; // used for optimisation
					this._heightHalf=this._height/2;// used for optimisation

					var _widthMax=Math.sqrt((this._height)*(this._height) + (this._width) * (this._width));

					this._widthAdd = _widthMax - this._width;
					this._heightAdd = _widthMax - this._height;	// widthMax because maxWidth=maxHeight
					this._widthAddHalf=this._widthAdd/2; // used for optimisation
					this._heightAddHalf=this._heightAdd/2;// used for optimisation

					this._img.parentNode.removeChild(this._img);

					this._aspectW = ((parseInt(this._img.style.width,10)) || this._width)/this._img.width;
					this._aspectH = ((parseInt(this._img.style.height,10)) || this._height)/this._img.height;

					this._canvas=document.createElement('canvas');
					this._canvas.setAttribute('width',this._width);
					this._canvas.style.position="relative";
					this._canvas.style.left = -this._widthAddHalf + "px";
					this._canvas.style.top = -this._heightAddHalf + "px";
					this._canvas.Wilq32 = this._rootObj.Wilq32;

					this._rootObj.appendChild(this._canvas);
					this._rootObj.style.width=this._width+"px";
					this._rootObj.style.height=this._height+"px";
					this._eventObj = this._canvas;

					this._cnv=this._canvas.getContext('2d');
					this._handleRotation(parameters);
				}
		})(),

		_animateStart:function()
		{
			if (this._timer) {
				clearTimeout(this._timer);
			}
			this._animateStartTime = +new Date;
			this._animateStartAngle = this._angle;
			this._animate();
		},
		_animate:function()
		{
			var actualTime = +new Date;
			var checkEnd = actualTime - this._animateStartTime > this._parameters.duration;

			// TODO: Bug for animatedGif for static rotation ? (to test)
			if (checkEnd && !this._parameters.animatedGif)
			{
				clearTimeout(this._timer);
			}
			else
			{
				if (this._canvas||this._vimage||this._img) {
					var angle = this._parameters.easing(0, actualTime - this._animateStartTime, this._animateStartAngle, this._parameters.animateTo - this._animateStartAngle, this._parameters.duration);
					this._rotate((~~(angle*10))/10);
				}
				if (this._parameters.step) {
					this._parameters.step(this._angle);
				}
				var self = this;
				this._timer = setTimeout(function()
				{
					self._animate.call(self);
				}, 10);
			}

			// To fix Bug that prevents using recursive function in callback I moved this function to back
			if (this._parameters.callback && checkEnd){
				this._angle = this._parameters.animateTo;
				this._rotate(this._angle);
				this._parameters.callback.call(this._rootObj);
			}
		},

		_rotate : (function()
		{
			var rad = Math.PI/180;
			if (IE)
				return function(angle)
				{
					this._angle = angle;
					this._container.style.rotation=(angle%360)+"deg";
				}
			else if (supportedCSS)
				return function(angle){
					this._angle = angle;
					this._img.style[supportedCSS]="rotate("+(angle%360)+"deg)";
				}
			else
				return function(angle)
				{
					this._angle = angle;
					angle=(angle%360)* rad;
					// clear canvas
					this._canvas.width = this._width+this._widthAdd;
					this._canvas.height = this._height+this._heightAdd;

					// REMEMBER: all drawings are read from backwards.. so first function is translate, then rotate, then translate, translate..
					this._cnv.translate(this._widthAddHalf,this._heightAddHalf);	// at least center image on screen
					this._cnv.translate(this._widthHalf,this._heightHalf);			// we move image back to its orginal
					this._cnv.rotate(angle);										// rotate image
					this._cnv.translate(-this._widthHalf,-this._heightHalf);		// move image to its center, so we can rotate around its center
					this._cnv.scale(this._aspectW,this._aspectH); // SCALE - if needed ;)
					this._cnv.drawImage(this._img, 0, 0);							// First - we draw image
				}

		})()
	}

	if (IE)
	{
		Wilq32.PhotoEffect.prototype.createVMLNode=(function(){
			document.createStyleSheet().addRule(".rvml", "behavior:url(#default#VML)");
			try {
				!document.namespaces.rvml && document.namespaces.add("rvml", "urn:schemas-microsoft-com:vml");
				return function (tagName) {
					return document.createElement('<rvml:' + tagName + ' class="rvml">');
				};
			} catch (e) {
				return function (tagName) {
					return document.createElement('<' + tagName + ' xmlns="urn:schemas-microsoft.com:vml" class="rvml">');
				};
			}
		})();
	}
})(jQuery);
